OrganizationActive
Regional Diagnostics, LLC
NPI 1003804311 · Radiology Clinic/Center · Chicago, IL
Regional Diagnostics, LLC is a Radiology Clinic/Center organization in Chicago, IL (NPI 1003804311).
Provider details
- NPI number
- 1003804311
- Entity type
- Organization
- Primary specialty
- Radiology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Ron Clark, C.f.o.(216) 464-8484
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1228 W Belmont Ave
Chicago, IL 60657-3207
Phone: (773) 248-7100
Fax: (773) 248-1210
Street-level locationGet directions
Mailing address
4400 Renaissance Pkwy
Warrensville Hts, OH 44128-5763
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2020-08-22
Frequently asked questions
- What is Regional Diagnostics, LLC's NPI number?
- Regional Diagnostics, LLC's National Provider Identifier (NPI) is 1003804311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Regional Diagnostics, LLC?
- Regional Diagnostics, LLC is classified in the NPPES registry as Radiology Clinic/Center (Ambulatory Health Care Facilities).
- Where is Regional Diagnostics, LLC located?
- Regional Diagnostics, LLC's practice location on file with NPPES is 1228 W Belmont Ave, Chicago, IL 60657-3207.
- What is Regional Diagnostics, LLC's phone number?
- The practice phone number listed in the NPPES registry for Regional Diagnostics, LLC is (773) 248-7100.
- Who is the authorized official for Regional Diagnostics, LLC?
- The authorized official listed on Regional Diagnostics, LLC's NPPES record is Ron Clark, C.f.o.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Regional Diagnostics, LLC's NPI active?
- Yes — Regional Diagnostics, LLC's NPI (1003804311) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.